The trachea and bronchi form the tracheobronchial tree. The trachea is situated between the lower end of the larynx and the center of the chest, where it splits into the two bronchi at a ridge called the carina.arly diagnosis is important to prevent complications, which include stenosis (narrowing) of the airway, respiratory tract infection, and damage to the lung tissue. Diagnosis involves procedures such as bronchoscopy, radiography, and x-ray computed tomography to visualize the tracheobronchial tree.
Avogadro's number is the number of atoms required to make 1 gram of molecular hydrogen (not including the heavier isotopes of hydrogen). Sodium has a standard atomic weight of 22.99 amu (atomic mass units). A mole of Sodium atoms would weigh 22.99 grams.
The mass of a neutron is slightly greater than the mass of a proton. The neutron has no electric charge while the proton has a positive charge (+1 elementary charge). The ma â¦ ss of a neutron and a proton are 1.67492729(28)Ã10â27 kilograms and 1.672621637(83)Ã10â27 kilograms respectively.he mass of the neutron is 1.67493 x 10-27 kg. The elementary charge is equal to 1.60218 x 10-19 Coulombs. The proton and electron each carry this charge, but the sign of the charge will be positive for the proton, and negative for the electron.